refactor(nvim): improve fold colors

dots/.nvim-environments/primary/config/lua/plugins/configs/kanagawa.lua

@@ -119,7 +119,8 @@ require("kanagawa").setup({
         NoiceCmdlineIconIncRename = { fg = colors.peachRed },
         NoiceCmdlinePopupdBorderIncRename = { fg = colors.peachRed },
 
-        Folded = { bg = colors.winterBlue }
+        Folded = { bg = colors.waveBlue1 },
+        UfoFoldedBg = { bg = colors.springViolet1 }
     },
 })
 

dots/.nvim-environments/primary/config/lua/plugins/configs/nvim-ufo.lua

@@ -32,7 +32,7 @@ local handler = function(virtText, lnum, endLnum, width, truncate)
         end
         curWidth = curWidth + chunkWidth
     end
-    table.insert(newVirtText, {suffix, "CursorLineNR"})
+    table.insert(newVirtText, {suffix, "@conditional"})
     return newVirtText
 end